:root {
  --bg: #f7f8fb;
  --card: #ffffff;
  --border: #e5e7eb;
  --primary: #3b49df;
  --primary-strong: #2d3ac9;
  --text: #0b1021;
  --muted: #6b7280;
  --shadow: 0 10px 30px rgba(15, 23, 42, 0.08);
  --radius: 12px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  background: radial-gradient(60% 60% at 20% 10%, rgba(59,73,223,0.08), transparent), var(--bg);
  color: var(--text);
}
header.site, .admin-bar {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 22px;
  background: #0f172a;
  color: #fff;
  position: sticky;
  top: 0;
  z-index: 10;
  box-shadow: 0 4px 20px rgba(0,0,0,0.08);
}
header.site a, .admin-bar a { color: #c7d2fe; text-decoration: none; margin-left: 14px; font-weight: 600; }
.container { max-width: 1080px; margin: 28px auto; padding: 0 18px; }
.card { background: var(--card); border: 1px solid var(--border); border-radius: var(--radius); padding: 20px; margin-bottom: 18px; box-shadow: var(--shadow); }
.card-header { font-weight: 800; margin-bottom: 12px; letter-spacing: -0.01em; }
.grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(240px,1fr)); gap: 14px; }
.metric { font-size: 30px; font-weight: 800; }
.btn, button, input[type=submit] {
  background: #0c0c10;
  color: #f7f7fb;
  border: 1px solid #ffffff22;
  border-radius: 10px;
  padding: 11px 16px;
  cursor: pointer;
  font-weight: 700;
  letter-spacing: -0.01em;
  transition: transform 120ms ease, box-shadow 120ms ease, background 120ms ease, border 120ms ease;
}
.btn:hover, button:hover { background: #111118; border-color: #ffffff44; color:#f6f6f6; transform: translateY(-1px); box-shadow: 0 8px 24px rgba(0,0,0,0.32); }
.btn.secondary, .muted-btn { background: #eef2ff; color: #1f2937; box-shadow: none; }
.btn.secondary:hover { background: #e0e7ff; }
form label { display: block; margin: 12px 0 8px; font-weight: 700; }
form input, form select, form textarea { width: 100%; padding: 11px; border: 1px solid var(--border); border-radius: 10px; font-size: 15px; background: #f9fafb; }
table { width: 100%; border-collapse: collapse; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; }
table th, table td { border-bottom: 1px solid var(--border); padding: 12px; text-align: left; background: #fff; }
.alert { background: #fee2e2; color: #991b1b; padding: 12px; border-radius: 10px; margin-bottom: 10px; font-weight: 600; }
.alert.success { background: #dcfce7; color: #166534; }
.alert.warning { background: #fef3c7; color: #92400e; }
.alert.info { background: #e0f2fe; color: #075985; }

/* Support / Donate cobalt-like page */
:root {
  --donate-bg: #050506;
  --donate-card: #0d0d11;
  --donate-border: rgba(255,255,255,0.08);
  --donate-text: #f7f7fb;
  --donate-sub: #cfd2db;
  --donate-mono: #b7beca;
  --donate-primary: #c8f36b;
  --donate-primary-2: #7cf4ff;
  --donate-shadow: 0 20px 60px rgba(0,0,0,0.45);
  --donate-radius: 28px;
}
body.support-bg {
  background: var(--donate-bg);
  color: var(--donate-text);
  font-family: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
}
a, a:visited { color: inherit; text-decoration: none; }
.support-page { max-width: 1180px; margin: 18px auto 80px; padding: 0 18px 64px; }
.donate-banner {
  position: relative;
  overflow: hidden;
  border-radius: var(--donate-radius);
  background: linear-gradient(145deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid var(--donate-border);
  box-shadow: var(--donate-shadow);
  padding: 28px;
}
.donate-banner::before {
  content:'';
  position:absolute;
  inset:0;
  background:
    radial-gradient(circle at 20% 20%, rgba(255,255,255,0.08), transparent 35%),
    radial-gradient(circle at 80% 10%, rgba(124,244,255,0.12), transparent 38%);
  opacity:0.8;
  pointer-events:none;
}
.heart-pattern {
  position:absolute;
  inset:0;
  background-image: radial-gradient(rgba(255,255,255,0.05) 1px, transparent 1px);
  background-size: 22px 22px;
  mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.8), transparent 70%);
  animation: floatHearts 22s linear infinite;
}
@keyframes floatHearts {
  from { background-position: 0 0; }
  to { background-position: 120px 220px; }
}
.donate-banner__grid {
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns: repeat(auto-fit,minmax(260px,1fr));
  gap: 22px;
  align-items:center;
}
.donate-kicker {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--donate-sub);
  font-size: 12px;
}
.donate-title {
  font-family: "Georgia", ui-serif, serif;
  font-size: 36px;
  line-height: 1.1;
  margin: 8px 0;
  color: #fff;
}
.donate-sub { color: var(--donate-sub); max-width: 520px; line-height: 1.5; }
.donate-cta { display:flex; gap:10px; flex-wrap:wrap; margin-top: 12px; }
.donate-btn {
  background: #0c0c10;
  color: #f7f7fb;
  border: 1px solid #ffffff22;
  border-radius: 14px;
  padding: 10px 14px;
  font-weight: 700;
  cursor: pointer;
  transition: transform 120ms ease, box-shadow 120ms ease, border 120ms ease;
}
.donate-btn:hover { transform: translateY(-1px); border-color: #ffffff44; box-shadow: 0 10px 30px rgba(0,0,0,0.35); }
.donate-btn.primary { background: #0c0c10; border-color: #ffffff44; }
.donate-btn.secondary { background: #0c0c10; }
.donate-mascot { width: 100%; max-width: 320px; filter: drop-shadow(0 10px 30px rgba(0,0,0,0.55)); transform: translateY(6px); }

.donate-sections { display:grid; grid-template-columns: 1fr; gap: 14px; margin-top: 16px; }
@media(min-width: 960px) { .donate-sections { grid-template-columns: 1.35fr 0.9fr; } }
.donate-card {
  background: linear-gradient(160deg, rgba(255,255,255,0.06), rgba(255,255,255,0.02));
  border: 1px solid var(--donate-border);
  border-radius: 18px;
  box-shadow: var(--donate-shadow);
  padding: 18px;
  position: relative;
  overflow: hidden;
}
.donate-card::after {
  content:'';
  position:absolute;
  inset:0;
  border: 1px solid rgba(255,255,255,0.03);
  border-radius: 18px;
  pointer-events:none;
}
.donate-tabs { display:flex; gap:10px; margin-bottom: 12px; }
.donate-tab {
  flex:1;
  background: rgba(255,255,255,0.04);
  border:1px solid var(--donate-border);
  color: #e7e9f0;
  border-radius: 12px;
  padding: 12px;
  text-align:left;
  font-weight: 800;
  cursor:pointer;
  transition: background 120ms ease, border 120ms ease;
}
.donate-tab.selected { background: rgba(255,255,255,0.12); border-color: rgba(255,255,255,0.18); }
.donate-tab small { display:block; color: var(--donate-sub); font-weight: 600; }

.donation-options-wrap { position: relative; margin: 12px 0; }
.donation-scroll { display:flex; gap:10px; overflow-x:auto; padding: 6px 4px; scroll-behavior: smooth; }
.donation-scroll.mask-right { mask-image: linear-gradient(90deg, transparent 0%, #000 10%, #000 90%, transparent 100%); }
.donation-option {
  min-width: 170px;
  background: rgba(255,255,255,0.05);
  border:1px solid rgba(255,255,255,0.08);
  border-radius: 12px;
  padding: 12px;
  color: #f5f6fb;
  text-align:left;
  cursor:pointer;
  transition: transform 120ms ease, border 120ms ease, box-shadow 120ms ease;
}
.donation-option .donate-card-title { display:flex; align-items:center; gap:8px; font-weight: 800; }
.donation-option .donate-card-subtitle { color: var(--donate-sub); font-size: 13px; margin-top: 4px; }
.donation-option.selected { border-color: var(--donate-primary-2); box-shadow: 0 0 0 1px rgba(124,244,255,0.35); transform: translateY(-1px); }
.scroll-button {
  position:absolute;
  top:50%;
  transform: translateY(-50%);
  background: rgba(0,0,0,0.6);
  border:1px solid var(--donate-border);
  width:34px;
  height:34px;
  border-radius:50%;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  color:#e7e9f0;
  transition: opacity 120ms ease;
}
.scroll-button.hidden { opacity:0; pointer-events:none; }
.scroll-button.left { left: -12px; }
.scroll-button.right { right: -12px; }
.donation-custom { display:flex; gap:8px; align-items:center; margin: 10px 0 4px; }
.donation-custom input {
  flex:1;
  background: rgba(255,255,255,0.04);
  border:1px solid var(--donate-border);
  border-radius: 10px;
  color: #fff;
  padding: 10px;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}
.donation-custom button {
  background: rgba(255,255,255,0.08);
  border:1px solid var(--donate-border);
  color:#fff;
  border-radius: 10px;
  padding: 10px 12px;
  cursor:pointer;
}
.support-inputs { display:grid; grid-template-columns: 1fr; gap: 10px; }
@media(min-width: 720px) { .support-inputs { grid-template-columns: repeat(2,minmax(0,1fr)); } }
.support-inputs label { color: var(--donate-sub); font-weight: 700; }
.support-inputs input, .support-inputs select {
  width: 100%;
  padding: 11px;
  background: rgba(255,255,255,0.05);
  border:1px solid var(--donate-border);
  border-radius: 10px;
  color: #fff;
}
.support-primary {
  width: 100%;
  margin-top: 12px;
  background: #f6f6f6;
  color: #0a0a0f;
  border:none;
  border-radius: 12px;
  padding: 12px;
  font-weight: 800;
  cursor:pointer;
}

.share-grid { display:grid; grid-template-columns: repeat(auto-fit,minmax(72px,1fr)); gap:10px; margin-top:12px; }
.share-btn {
  background: #0c0c10;
  border:1px solid #ffffff22;
  border-radius: 12px;
  color:#f7f7fb;
  padding: 12px;
  cursor:pointer;
  transition: transform 120ms ease, border 120ms ease, background 120ms ease;
  display:flex;
  align-items:center;
  justify-content:center;
}
.share-btn:hover { transform: translateY(-2px); border-color: #ffffff44;color: #f6f6f6; background:#0f0f15; }
.share-icon {
  width: 68px;
  height: 68px;
  border-radius: 16px;
  font-size: 26px;
  line-height: 1;
}
.share-qr {
  background: rgba(255,255,255,0.04);
  border:1px solid var(--donate-border);
  border-radius: 14px;
  padding: 12px;
  display:flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.share-qr img { max-width: 160px; border-radius: 10px; }
.qr-expanded {
  position: fixed;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  background: rgba(0,0,0,0.75);
  z-index: 50;
}
.qr-expanded img { width: min(360px, 80vw); border-radius: 14px; }

.donate-story {
  margin-top: 18px;
  border-radius: 18px;
  padding: 18px;
  background: linear-gradient(160deg, rgba(255,255,255,0.05), rgba(255,255,255,0.02));
  border:1px solid var(--donate-border);
  box-shadow: var(--donate-shadow);
}
.donate-story p { color: var(--donate-sub); line-height: 1.7; }
.donate-bullets { display:grid; grid-template-columns: repeat(auto-fit,minmax(220px,1fr)); gap:10px; color:#e8eaf5; }
.donate-bullets div { background: rgba(255,255,255,0.04); border:1px solid var(--donate-border); border-radius: 12px; padding: 10px; }
.donate-accordion summary { cursor:pointer; font-weight: 800; color:#fff; }
.donate-accordion ul { color: var(--donate-sub); line-height: 1.6; }

.donate-payment { margin-top: 12px; }
.donate-payment .pay-header { display:flex; align-items:center; justify-content:space-between; gap:10px; flex-wrap:wrap; }
.donate-pill { background: rgba(255,255,255,0.08); color: #fff; border-radius: 999px; padding: 6px 12px; font-weight: 800; border:1px solid var(--donate-border); }
.donate-timer { background: rgba(124,244,255,0.12); color: #a5f3fc; border-radius: 12px; padding: 6px 10px; }
.donate-mono code { background: rgba(255,255,255,0.06); padding: 4px 6px; border-radius: 6px; color: var(--donate-mono); }
.donate-paygrid { display:grid; grid-template-columns: 1fr; gap: 12px; }
@media(min-width: 820px) { .donate-paygrid { grid-template-columns: 1.1fr 0.9fr; } }
.donate-paypanel { background: rgba(255,255,255,0.04); border:1px solid var(--donate-border); border-radius: 14px; padding: 12px; }
.donate-paypanel img { width: 100%; max-width: 220px; }
.donate-actions { display:flex; gap:8px; flex-wrap:wrap; margin-top: 8px; }
.donate-actions .btn { border-radius: 10px; }

.mask-right { mask-image: linear-gradient(90deg, rgba(0,0,0,1) 70%, rgba(0,0,0,0)); }
.hidden { display: none !important; }
.footer { text-align: center; padding: 24px; color: var(--muted); font-size: 14px; }
.hero { text-align: center; padding: 60px 0; }
.hero h1 { font-size: 36px; margin: 0 0 12px; letter-spacing: -0.02em; }
.hero p { color: var(--muted); margin: 0 0 16px; }
.pricing-grid { display: grid; grid-template-columns: repeat(auto-fit,minmax(280px,1fr)); gap: 18px; }
.tag { background: #eef2ff; color: #312e81; padding: 5px 10px; border-radius: 999px; font-size: 12px; font-weight: 700; display: inline-flex; align-items: center; gap: 6px; }
.inline { display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.code-block { background: #0f172a; color: #e2e8f0; padding: 12px; border-radius: 10px; font-family: "JetBrains Mono", Consolas, monospace; font-size: 13px; overflow-x: auto; }
.support-bullets { list-style: none; padding-left: 0; margin: 12px 0 0; }
.support-bullets li { margin: 10px 0; line-height: 1.45; }